1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Usimov [2.4K]
3 years ago
6

C) Why does the ethanol change colour?

Biology
2 answers:
elena-s [515]3 years ago
8 0

Answer:

because the chemicals turn other color.

Explanation:

because the chemicals have other things bad or goods.

lapo4ka [179]3 years ago
6 0

Answer:

Ethanol change color because ethanol gets oxidized to form ethanoic acid whose color will change from orange to green.

Explanation: The ethanol will undergo an oxidation reaction where ethanoic acid is formed which will result in the formation of chromium disulphite.

You might be interested in
the pupil opens and closes automatically in response to light what part of your nervous system controls this response
denis23 [38]

PNS controls this response


The portion of the system that's outside the brain and medulla spinals. Abbreviated PNS. The nerves within the PNS connect the central system (CNS) to sensory organs, like the attention and ear, and to alternative organs of the body, muscles, blood vessels, and glands.

Papillary response could be a physiological response that varies the scale of the pupil, via the optic and cranial nerve.

3 0
3 years ago
Please help! As a cell prepares to divide during the cell cycle, DNA replication must take place. During the S-phase, DNA strand
Black_prince [1.1K]

Answer:

B) During DNA replication, enzymes are made which are important in maintaining homeostasis.

Explanation: I know this because I learned it in school if you don't maintain homeostasis than the replication will not work.

hope I helped!!!!!!

8 0
3 years ago
Muddy water contains microorganisms, clay, and silt. Which of the following statements suggests that muddy water is a suspension
Katarina [22]

Answer:

Aaa It is the heterogeneous mixture and particles settle down if left undesrbied

7 0
3 years ago
Arteries are normally depicted as red while veins are colored blue due to the oxygenation of the blood being transported by each
Bogdan [553]
The exceptions to this rule are the pulmonary arteries and veins.  
<span>
The pulmonary artery is the one that carries deoxygenated blood from the right side of the heart (ventricle) to the lungs. On the other side, pulmonary veins transfer oxygenated blood from the lungs to the heart (left atrium).</span>
8 0
3 years ago
What is mucus and how is it helpful?
yan [13]

Answer:

Mucus is a liquid in your body and it protect you from pathogens  

Explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • What prevents a white dwarf from completely collapsing upon itself?
    9·2 answers
  • Which ocean movement do power plants use to produce usable energy?
    7·2 answers
  • What household item can be used to represent a nucleus and why?
    15·1 answer
  • Which best describes the blood flowing in a vein?
    7·2 answers
  • How many species are currently considered “critically endangered”?
    9·1 answer
  • If the gametes produced by a given organism contain 6 chromosomes, how many chromosomes are found in that organism’s body cells?
    14·1 answer
  • Which structure is found mainly in green plants and bacteria
    12·2 answers
  • Biological washing powders contain protein-, fat- and carbohydrate-digesting
    15·1 answer
  • Horses have 64 chromosomes in each body cell. If a horse cell undergoes meiosis, how many chromosomes should be in each gamete?
    15·1 answer
  • Iron is an important metal micronutrient that binds enzymes, allowing them to function in a pathway that removes energy from the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!